<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
        private $_id;  
        const ERROR_USER_NOTACTIVE=4; 
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public function authenticate()
	{
		// $users=array(
			// username => password
			// 'demo'=>'demo',
			// 'admin'=>'admin',
		// );
		$user = SysUser::model()->find('LOWER(username)=?', array(strtolower($this->username)));
		if($user === null)
			$this->errorCode=self::ERROR_USERNAME_INVALID;
		else if(!$user->validatePassword($this->password))
			$this->errorCode=self::ERROR_PASSWORD_INVALID;
		// else if (!$user->active) {  
            // $this->errorCode = self::ERROR_USER_NOTACTIVE;  
        // } 
		else {  
            $this->_id = $user->id_user;  
  
            $this->username = $user->username;  
            $this->errorCode = self::ERROR_NONE;  
        }  
        return $this->errorCode == self::ERROR_NONE;  
	}
	
	public function getId() {  
        return $this->_id;  
    }
	
	public function getUser() {  
        return $this->_id;  
    }
}